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Current content: 156 511 693 patent documents

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200 241 new documents added

1 026 356 documents amended

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EP 0061008 B1 19850213 - SOUND ABSORBER

Title (en)

SOUND ABSORBER

Publication

EP 0061008 B1 19850213 (EN)

Application

EP 82101405 A 19820224

Priority

JP 4138781 A 19810317
JP 4138981 A 19810317
JP 4139081 A 19810317
JP 4345681 A 19810324

Abstract (en)

[origin: US4352853A] A sound absorber comprises a layer of a composition of a heat resistant binder and an acidic solid catalyst which is coated on a porous metal substrate in the hardened form.

IPC 1-7

B01D 53/36; B01J 37/00

IPC 8 full level

B01D 53/86 (2006.01); B01J 37/02 (2006.01)

CPC (source: EP US)

B01D 53/86 (2013.01 - EP US); B01J 37/0246 (2013.01 - EP US); Y10T 428/249953 (2015.04 - EP US); Y10T 428/249986 (2015.04 - EP US); Y10T 428/249994 (2015.04 - EP US); Y10T 428/256 (2015.01 - EP US); Y10T 428/257 (2015.01 - EP US)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0061008 A1 19820929; EP 0061008 B1 19850213; DE 3262251 D1 19850328; US 4352853 A 19821005

DOCDB simple family (application)

EP 82101405 A 19820224; DE 3262251 T 19820224; US 30055281 A 19810909